Advertisement board

Abstract

An advertisement board, which comprises one or more light emitting diodes capable of full-color display, one or more advertisement sheets, a light guide plate, and a frame, comprises: a frame which is provided with a containing portion for containing the one or more light emitting diodes, the one or more advertisement sheets, and the light guide plate, and parts of which are openable and closable in order to easily replace the one or more advertisement sheets; the one or more light emitting diodes placed at one side of the frame; the one or more advertisement sheets located on the light emitting diodes, and displaying advertisement contents by the light emitted from the light emitting diodes; the light guide plate which is located on the rear surface of the one or more advertisement sheets, diffuses the light emitted from the light emitting diodes, and sends the light to the one or more advertisement sheets to make the picture quality of the advertisement contents clearer

1 . An advertisement board, which comprises one or more light emitting diodes capable of full-color display, one or more advertisement sheets, a light guide plate, and a frame, comprising:
 a frame which is provided with a containing portion for containing the one or more light emitting diodes, the one or more advertisement sheets, and the light guide plate, and parts of which are openable and closable in order to easily replace the one or more advertisement sheets;   the one or more light emitting diodes placed at one side of the frame; the one or more advertisement sheets located on the light emitting diodes, and displaying advertisement contents by the light emitted from the light emitting diodes;   the light guide plate which is located on the rear surface of the one or more advertisement sheets, diffuses the light emitted from the light emitting diodes, and sends the light to the one or more advertisement sheets to make the picture quality of the advertisement contents clearer.   
   
   
       2 . The advertisement board of  claim 1 , wherein another one or more advertisement sheets are further placed on the rear surface of the light guide plate, a light emitting diode is further placed below the another one or more advertisement sheets, and a frame provided with a container portion for containing the another one or more advertisement sheets and the light emitting diode is further placed. 
   
   
       3 . The advertisement board of  claim 2 , wherein respective pattern images formed on the one or more advertisement sheets and the another one or more advertisements sheets are different from each other. 
   
   
       4 . The advertisement board of  claim 1 , wherein, as the one or more light emitting diodes are switched on/off, the pattern images of the one or more advertisement sheets and the another one or more advertisement sheets are respectively displayed or simultaneously displayed in multiples. 
   
   
       5 . The advertisement board of  claim 1 , wherein the one or more advertisement sheets and the another one or more advertisement sheets are made of a polycarbonate type material. 
   
   
       6 . The advertisement board of  claim 1 , wherein one or more light emitting diodes are further placed on the entire edges of the frame. 
   
   
       7 . The advertisement board of  claim 3 , wherein, as the one or more light emitting diodes are switched on/off, the pattern images of the one or more advertisement sheets and the another one or more advertisement sheets are respectively displayed or simultaneously displayed in multiples. 
   
   
       8 . The advertisement board of  claim 2 , wherein the one or more advertisement sheets and the another one or more advertisement sheets are made of a polycarbonate type material.